[1]王海东,刘小利.大通县水源涵养低效林分改造成效分析[J].陕西林业科技,2018,(02):15-18.
 WANG Hai-dong,LIU Xiao-li.Demonstration of Techniques for Improvement of Low-efficiency Forest Stand in Water Conservation in Datong County[J].,2018,(02):15-18.
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大通县水源涵养低效林分改造成效分析()
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《陕西林业科技》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2018年02期
页码:
15-18
栏目:
试验与调查研究
出版日期:
2018-04-25

文章信息/Info

Title:
Demonstration of Techniques for Improvement of Low-efficiency Forest Stand in Water Conservation in Datong County
文章编号:
1001-2117(2018)02-0015-04
作者:
王海东1刘小利23
1.西宁市南山公园,西宁 810000;
2.青海省农林科学院;
3.青海高原林木遗传育种实验室,西宁 810016
Author(s):
WANG Hai-dong1 LIU Xiao-li23
1.Xining Nanshan Park, Xining, Qinghai 810000;
2.Qinghai Academy of Agriculture and Forestry, Xining, Qinghai 810016;
3.Qinghai Plateau Key Laboratory of Tree Genetics and Breeding, Xining, Qinghai 810016
关键词:
水源涵养 低效林分 林冠截留 地表径流 持水量
Keywords:
Water conservation low efficiency forest canopy interception runoff water holding capacity
分类号:
S756.9
文献标志码:
A
摘要:
对大通县水源涵养保护区内的低效灌木林及白桦疏林地实施低效林分改造示范,通过补植一定数量的青海云杉乔木树种,建立完善的乔灌草立体复合林分结构。结果表明:低效灌木林及白桦疏林地通过增加林冠层乔木树种比例,在完善林分结构的同时,有效提高了林冠的截留作用,明显降低地表径流; 枯枝落叶层持水性能增强; 土壤物理性质改善,容重降低,孔隙度增大,持水性能增强。林区综合水源涵养功能得到更好发挥。
Abstract:
To improve the inefficient shrubs and lowland shrubs for water conservation area of Datong County, spruce and some grass were replanted to adjust the structure of forest stand.Results showed that by increasing the proportion of canopy tree species in inefficient shrubs and spruce grove,the interception of forest canopy is effectively improved and the surface runoff is obviously reduced.The water holding capacity of litter layer is enhanced.Soil physical properties are improved regarding bulk density,the porosity and water holding capacity.Integrated forest water conservation functions had been given a full play.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-02-01
作者简介:王海东(1973-),男,汉族,四川省仪陇县人,林业工程师,主要从事林业生态与造林工作。
更新日期/Last Update: 2018-04-25